function getQueryString(name,d) {
	var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
	var r = window.location.search.substr(1).match(reg);
	if (r != null) return unescape(r[2]); 
	return d;
}


function getDevice(){
	var sUserAgent= navigator.userAgent.toLowerCase(); 
	var bIsIpad= sUserAgent.match(/ipad/i) == "ipad"; 
	var bIsIphoneOs= sUserAgent.match(/iphone/i) == "iphone";
	var bIsMidp= sUserAgent.match(/midp/i) == "midp";
	var bIsUc7= sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
	var bIsUc= sUserAgent.match(/ucweb/i) == "ucweb";
	var bIsAndroid= sUserAgent.match(/android/i) == "android";
	var bIsCE= sUserAgent.match(/windows ce/i) == "windows ce";
	var bIsWM= sUserAgent.match(/windows mobile/i) == "windows mobile";
	if(bIsAndroid){
		 return "android";
		}
	else if(bIsIpad||bIsIphoneOs){
		 return "ios";
		}
	else return "pc"	
}